A Marine suspected of killing a pregnant colleague told police he slept in fields and survived by eating fruit that he found during a three-month manhunt that ended with his arrest in western Mexico, authorities said.

Chained at the wrists and ankles, the American Marine wanted in the brutal slaying of a pregnant colleague stared straight ahead Thursday night, but his eyes occasionally filled up with tears as he answered a reporter's questions.

A Marine suspected of killing a pregnant colleague told police he slept in fields and survived by eating fruit that he found during a three-month manhunt that ended with his arrest in western Mexico, authorities said.